Nextcloud Update takes hours

Hello everyone.

I try to update Nextcloud on my Raspberry Pi, (not running nextcloudpi), but this takes forever.

It’s still in Upgrade Process and I dont know why this takes forver.

The Webinterface and everything else works pretty normal and fast for a Raspberry Pi except the update.
But see yourself…

2020-12-05T17:14:18+0000 FMrcQEgQUY [info] request to updater
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] currentStep()
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] show HTML page
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] current version: 20.0.1 build time: 2020-10-24T08:39:55+00:00 89d88b3ea5b4049355e3c49d121f82e5e62bfc44
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] getUpdateServerResponse()
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] updaterServer: https://updates.nextcloud.com/updater_server/
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] releaseChannel: stable
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] internal version: 20.0.1.1
2020-12-05T17:14:19+0000 FMrcQEgQUY [info] updateURL: https://updates.nextcloud.com/updater_server/?version=20x0x1x1xxxstablexx2020-10-24T08%3A39%3A55%2B00%3A00+89d88b3ea5b4049355e3c49d121f82e5e62bfc44x7x3x19
2020-12-05T17:14:20+0000 FMrcQEgQUY [info] getUpdateServerResponse response: Array
(
    [version] => 20.0.2.2
    [versionstring] => Nextcloud 20.0.2
    [url] => https://download.nextcloud.com/server/releases/nextcloud-20.0.2.zip
    [web] => https://docs.nextcloud.com/server/20/admin_manual/maintenance/upgrade.html
    [changes] => https://updates.nextcloud.com/changelog_server/?version=20.0.2
    [autoupdater] => 1
    [eol] => 0
    [signature] => xgmYqDDmUkSdkP3+01rdn7FKMZ6/3fYD+lx9Ldrbv/Lg+CmM1SPpzO8xl+XvZi0z
C4JMB8BgPYMaJZZ2jZCJGuio9BZTqxtVBi738D3ZD2Iqk5M1RqNF8EYnmCiptTj6
Y/b8Y7IOElPURLLjelBjT+wWyaMdBEifGmWZznhbaiOq7vNB8u31yFlTKBEn3qB+
zd2ymDMn9r0aSrFmuJWvqbp8VMRFg166UBuHoeQ1fJlA2oA3HWDtsNxGQCPISD+M
Kpuqj2XLRa72vi12QgnMMYRoFNQhZ8Zmv/EdpTlb5ubdMQtNxAiYGN0nCR37+F3T
aiywvIt69DttL/rlTZPTFw==
)

2020-12-05T17:14:20+0000 FMrcQEgQUY [info] checkForUpdate() Array
(
    [version] => 20.0.2.2
    [versionstring] => Nextcloud 20.0.2
    [url] => https://download.nextcloud.com/server/releases/nextcloud-20.0.2.zip
    [web] => https://docs.nextcloud.com/server/20/admin_manual/maintenance/upgrade.html
    [changes] => https://updates.nextcloud.com/changelog_server/?version=20.0.2
    [autoupdater] => 1
    [eol] => 0
    [signature] => xgmYqDDmUkSdkP3+01rdn7FKMZ6/3fYD+lx9Ldrbv/Lg+CmM1SPpzO8xl+XvZi0z
C4JMB8BgPYMaJZZ2jZCJGuio9BZTqxtVBi738D3ZD2Iqk5M1RqNF8EYnmCiptTj6
Y/b8Y7IOElPURLLjelBjT+wWyaMdBEifGmWZznhbaiOq7vNB8u31yFlTKBEn3qB+
zd2ymDMn9r0aSrFmuJWvqbp8VMRFg166UBuHoeQ1fJlA2oA3HWDtsNxGQCPISD+M
Kpuqj2XLRa72vi12QgnMMYRoFNQhZ8Zmv/EdpTlb5ubdMQtNxAiYGN0nCR37+F3T
aiywvIt69DttL/rlTZPTFw==
)

2020-12-05T17:14:20+0000 FMrcQEgQUY [info] getChangelogURL()
2020-12-05T17:14:20+0000 FMrcQEgQUY [info] end of checkForUpdate() Update to Nextcloud 20.0.2 available. (channel: "stable")<br /><span class="light">Following file will be downloaded automatically:</span> <code class="light">https://download.nextcloud.com/server/releases/nextcloud-20.0.2.zip</code><br /><a class="external_link" href="https://nextcloud.com/changelog/#20-0-2" target="_blank" rel="noreferrer noopener">Open changelog ↗</a>
2020-12-05T17:14:27+0000 dM60BmlcYR [info] request to updater
2020-12-05T17:14:27+0000 dM60BmlcYR [info] currentStep()
2020-12-05T17:14:27+0000 dM60BmlcYR [info] POST request for step "1"
2020-12-05T17:14:27+0000 dM60BmlcYR [info] startStep("1")
2020-12-05T17:14:27+0000 dM60BmlcYR [info] checkForExpectedFilesAndFolders()
2020-12-05T17:14:27+0000 dM60BmlcYR [info] end of checkForExpectedFilesAndFolders()
2020-12-05T17:14:27+0000 dM60BmlcYR [info] endStep("1")
2020-12-05T17:14:27+0000 HWiQJPjsDk [info] request to updater
2020-12-05T17:14:27+0000 HWiQJPjsDk [info] currentStep()
2020-12-05T17:14:27+0000 HWiQJPjsDk [info] Step 1 is in state "end".
2020-12-05T17:14:28+0000 HWiQJPjsDk [info] POST request for step "2"
2020-12-05T17:14:28+0000 HWiQJPjsDk [info] startStep("2")
2020-12-05T17:14:28+0000 HWiQJPjsDk [info] checkWritePermissions()
2020-12-05T17:14:28+0000 HWiQJPjsDk [info] end of checkWritePermissions()
2020-12-05T17:14:28+0000 HWiQJPjsDk [info] endStep("2")
2020-12-05T17:14:28+0000 BeFQCAnfTL [info] request to updater
2020-12-05T17:14:28+0000 BeFQCAnfTL [info] currentStep()
2020-12-05T17:14:28+0000 BeFQCAnfTL [info] Step 2 is in state "end".
2020-12-05T17:14:28+0000 BeFQCAnfTL [info] POST request for step "3"
2020-12-05T17:14:28+0000 BeFQCAnfTL [info] startStep("3")
2020-12-05T17:14:29+0000 BeFQCAnfTL [info] createBackup()
2020-12-05T17:14:29+0000 BeFQCAnfTL [info] backup folder location: /mnt/nextcloud_data/data//updater-ocpcjuuz6lhz/backups/nextcloud-20.0.1.1-1607188469/
2020-12-05T17:29:40+0000 6lF1m1wvTF [info] updater cli is executed
2020-12-05T17:29:41+0000 6lF1m1wvTF [info] currentStep()
2020-12-05T17:29:41+0000 6lF1m1wvTF [info] Step 3 is in state "start".
2020-12-05T17:29:58+0000 fyLeiCJJA0 [info] request to updater
2020-12-05T17:29:59+0000 fyLeiCJJA0 [info] currentStep()
2020-12-05T17:29:59+0000 fyLeiCJJA0 [info] Step 3 is in state "start".
2020-12-05T17:30:34+0000 XteYtdwDz2 [info] request to updater
2020-12-05T17:30:34+0000 XteYtdwDz2 [info] currentStep()
2020-12-05T17:30:34+0000 XteYtdwDz2 [info] Step 3 is in state "start".
2020-12-05T17:31:28+0000 zUlFqECOeH [info] request to updater
2020-12-05T17:31:28+0000 zUlFqECOeH [info] currentStep()
2020-12-05T17:31:29+0000 zUlFqECOeH [info] Step 3 is in state "start".
2020-12-05T17:56:56+0000 Lnr0dnmDKN [info] request to updater
2020-12-05T17:56:56+0000 Lnr0dnmDKN [info] currentStep()
2020-12-05T17:56:57+0000 Lnr0dnmDKN [info] Step 3 is in state "start".
2020-12-05T20:13:14+0000 xIihDjZwdP [info] request to updater
2020-12-05T20:13:15+0000 xIihDjZwdP [info] currentStep()
2020-12-05T20:13:16+0000 xIihDjZwdP [info] Step 3 is in state "start".